Title: PhpSmsSend Remote Shell Command Execution Vulnerability
Severity: HIGH
Description:
PhpSmsSend is a front end to the SmsSend program, and allows users to send SMS messages through a web interface. SmsSend is available for Linux and Microsoft Windows.
PhpSmsSend accepts a message to send as a user supplied CGI parameter. This data is then used to build a command calling SmsSend. PhpSmsSend does not properly validate user input used in this manner. A malicious party may include escape characters such as ` in the input, and execute additional, arbitrary shell commands.
Exploitation of this vulnerability could lead to arbitrary code being executed as the script user, generally 'nobody'. This could lead to local access to the vulnerable system, from which point futher elevated privileges may be easier to obtain.
Affected Products:
- PhpSmsSend PhpSmsSend 1.0.0
References:
- PhpSmsSend: PhpSmsSend Homepage
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